| add | adds an item to a component |
| canCopy | checks whether it is possible to copy a control into some other control |
| copy | adds a copy of an item and places it in the specified position |
| eachChild | iterates through child items of a control |
| eachParent | iterates through all the parent items (the immediate parent and its parent, etc until the parent is the component itself) |
| exists | checks if the control exists |
| filter | filters controls by some criteria |
| forEach | iterates over all items of a tree collection |
| getId | gets the ID of an item |
| getIndex | gets the current position of an item |
| getItem | gets an item by its ID |
| getItems | gets the child items of a control |
| getLength | counts child items of a control |
| getParent | gets the ID of the parent of the control |
| getRoot | returns the ID of the master component |
| haveItems | checks whether an item has children |
| isSaved | checks whether the changes made in a tree collection are saved to the server side |
| load | loads items from a file |
| loadItems | loads child items of a control from a file |
| move | moves items to different positions |
| parse | loads a collection of items from a local source |
| refreshItems | refreshes child items of a control |
| remove | removes an item |
| removeAll | clears the component of all controls |
| restoreOrder | restores the component to the state previous to sorting / filtering |
| save | saves changes made in a tree collection to the server side |
| serialize | returns a collection of all items |
| sort | sorts controls according to some criteria |
| update | changes an item |